package eighth.study;

public class Operate {
    public static int add(int i,int j){
        return i+j;
    }
    public static int sub(int i,int j){
        return i-j;
    }
    public static int mul(int i,int j){
        return i*j;
    }
    public static int div(int i,int j){
        return i/j;
    }
}

